15" Brushed Aluminum Arms Parallel Rule #141

15 x 2.5 inches, ISBN: 721002001412



Of all our traditional parallel rules, the 15-inch (38.1cm) Brushed Aluminum Arm Parallel Rule is a best-seller. This sturdy acrylic parallel rule includes a protractor scale, is easy to use, and is a necessary tool for every seagoing navigator. The two straight-edged rules are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non-moving rule, you can effectively plot a course.

  • 15-inches (38.1cm) long
  • Brushed aluminum arms
  • Polished aluminum handle
  • Milled acrylic with beveled edges
  • Includes protractor scale
  • Protective plastic sleeve
  • Lifetime warranty


15 x 2.5 inches
ISBN: 721002001412
Weems & Plath

Call to Order

Shipping Details